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MAX872, MAX874
10µA, Low-Dropout, Precision Voltage Reference

Recommended Upgrades for New Designs
Part Number Replacement Explanation
MAX872 MAX6029 This product was manufactured for Maxim by an outside wafer foundry using a process that is no longer available. It is not recommended for new designs. For further information, contact us. The data sheet remains available for existing users.
MAX874 MAX6029
MAX872C/D MAX6029
MAX872CPA MAX6029
MAX872CPA+ MAX6029
MAX872CSA MAX6029
MAX872CSA+ MAX6029
MAX872EPA MAX6029
MAX872EPA+ MAX6029
MAX872ESA MAX6029
MAX872ESA+ MAX6029
MAX874C/D n/a
MAX874CPA MAX6029
MAX874CPA+ MAX6029
MAX874CSA MAX6029
MAX874CSA+ MAX6029
MAX874EPA MAX6029
MAX874EPA+ MAX6029
MAX874ESA MAX6029
MAX874ESA+ MAX6029


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Description
FULL DATA SHEET (PDF, 132kB)
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The MAX872/MAX874 precision 2.5V and 4.096V micro-power voltage references consume a maximum of only 10µA and operate from supply voltages up to 20V. The combination of ultra-low quiescent current and low 200mV dropout makes them ideal for battery-powered equipment. They source and sink up to 500µA with only 200mV input voltage headroom, which makes the 2.5V MAX872 ideal for use with a 3V supply and the 4.096V MAX874 ideal for use with a 5V supply.

Initial accuracy of 0.2% at +25°C (±5mV for the MAX872, ±8mV for the MAX874) and low 40ppm/°C max drift make these references suitable for a wide range of precision applications.

Key Features   Applications/Uses
  • Output Voltage
    • 2.500V ±0.2% (MAX872)
    • 4.096V ±0.2% (MAX874)
  • Wide Operating Voltage Range
    • 2.7V to 20V (MAX872)
    • 4.3V to 20V (MAX874)
  • 10µA Max Supply Current
  • 40ppm/°C Max Drift Over Extended Temp. Range
  • Line Regulation Over Temp.
    • 20µV/V (MAX872)
    • 75µV/V (MAX874)
  • Load Regulation Over Temp.
    • 0.6mV/mA Max (MAX872)
    • 1.0mV/mA Max (MAX874)
  • ±500µA Sink/Source Current

 
  • Battery-Powered Applications
  • Handheld Instruments (PDAs, Palmtops)
  • Power Supplies

    Diagram
    MAX872, MAX874: Typical Operating Circuit
    Typical Operating Circuit

    MAX872, MAX874: Pin Configuration
    Pin Configuration

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    Document Ref.: 19-0005; Rev 2; 1997-06-01
    This page last modified: 2007-07-18




             



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